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json that you already have. Each object is a cell: a named server with its own SQLite database. celld stores the long-term state in your S3-compatible, Google Cloud Storage, or Azure Blob Storage bucket.

ClickHouse® is a real-time analytics database management system

etcd is a distributed reliable key-value store for the most critical data of a distributed system, with a focus on being:

SurrealDB is a multi-model database built in Rust designed to unify multiple data models into a single engine.

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors.

YugabyteDB is a PostgreSQL-compatible, high-performance, cloud-native, distributed SQL database.

FoundationDB - the open source, distributed, transactional key-value store

These are the best resources for System Design on the Internet

NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (

OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.

A curated list of awesome big data frameworks, ressources and other awesomeness.

Citus is a PostgreSQL extension that transforms Postgres into a distributed database—so you can achieve high performance at any scale.

MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries.

DuckLake is an open Lakehouse format that is built on SQL and Parquet. DuckLake stores metadata in a catalog database, and stores data in Parquet files. The DuckLake extension allows DuckDB to directly read and write data from DuckLake.

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

RethinkDB is the first open-source scalable database built for realtime applications. It exposes a new database access model, in which the developer can tell the database to continuously push updated query results to applications without polling for changes.

Apache ShardingSphere is positioned as Database Plus, a standard and ecosystem built on top of heterogeneous databases.

The lightweight, fault-tolerant database built on SQLite. Designed to keep your data highly available with minimal effort.

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🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.

:fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.

Dgraph is a horizontally scalable and distributed GraphQL database with a graph backend. It provides ACID transactions, consistent replication, and linearizable reads. It's built from the ground up to perform a rich set of queries.

Vitess is a database clustering system for horizontal scaling of MySQL.

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

Druid is a high performance real-time analytics database. Druid's main value add is to reduce time to insight and action.

Contains all the source files which can be built by running: mvn clean install